While in Tehran, Iran, Judy and I camped in the Gol-e-Sar campground and to my amazement there was a Steib sidecar standing alone in the ground, no motorcycle attached and with a pile of house bricks supporting it where the motorcycle would normally be. Alas no photo of it was taken. Inquiries revealed it had been there for some years....
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1939 BMW catalogue, selected items, English test.
1939 BMW catalogue items, German text.
1936 BMW catalogue, single sheet, German text.